Ideal EL Fault Code
The Ideal EL fault code means: your boiler’s main computer screen or internal control board has developed a fault and is no longer communicating correctly with the rest of the system.. It appears on 1 Ideal model in our database.
Technical description: Defective control panel.
What causes the Ideal EL fault?
This fault occurs when the data link between the internal computer and the front display panel is broken, often caused by a component failure on the circuit board itself. It is usually the result of age-related wear or a power surge that has damaged the delicate electronics responsible for sending signals through the boiler.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Ideal models that show the EL fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ideal EL fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026